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Northlake 635(5)-LR000703;ST3 TISTICAL ANAL IS OF CONCRETE a division of '~ttit~ 8901 Carpenter Frwy., Suite #100 Dalla~ Texas 75247 Date of Service: Client No.: 07/03/2000 85229000 Report No.: 0O14375S Project No.: 94991457 Report Date 07/03/2000 Client: Transwestern Property Company Attn: James Gaspard 12221 Merit Drive, #450 Dallas TX 75251 Project: Coppell Commerce Center 1234 Lakeshore (Bldg. B) Coppeil, Texas Services: Review concrete compressive strengths for compliance with project specifications and ACI 318 Building Code. SPECIFICATION REQUIREMENTS: CONCRETE CLASS: 9337 PROJECT DATA 4000 psi ~ 28 Days REPORT OF TESTS NUMBER AIR CONCRETE REPORT OF SLUMP CONTENT TEMP DATE NUMBER SET SAMPLES (in.) (%) (F) 02/16/2000 0004574 I 2 5.00 N/A 70 02/17/2000 0004698 ! 2 6.00 N/A 80 02/18/2000 0004761 I 2 6.00 N/A 74 02/21/2000 0004908 1 2 6.25 N/A 68 02/22/2000 0005042 1 2 5.00 N/A 78 02/28/2000 0005620 1 2 5.25 N/A 74 02/29/2000 0005681 1 2 6.00 N/A 82 03/01/2000 0005811 1 2 5.75 N/A 72 03/06/2000 0006233 1 2 5.00 N/A 80 03/07/2000 0006341 1 2 6.00 N/A 78 03/08/2000 0006461 1 2 6.00 N/A 72 COMPRESSIVE RUNNING STRENGTH 3 TEST AVG ~344545 ~" 4905 4885 4297 5645 5007 5080 5203 5335 5353 5905 5440 4635 5292 4305 4948 Average of all sets of three consecutive strenghts equals or exceeds the project specifications. Average of 11 sets = 4840 PSI ~ 28 days Standard Deviation = 662 PSI Corrected Standard Deviation = N/A (less than 15 samples) 11 This repot~ is exclusivcly for the usc oftbe clicnt indicatcd above and shall not be reproduced except in full without Ii~ wfltlgn approval ofHBC F_,a~n~aqn~ Inc. Page 1 of 2 i ' Report No.: 0014375S COMPRESSIVE Required Average Strength per AC1318 (89) 53.2.2 = 5200 PSI Technician: Eugene Harbour Report Distribution: (1) Tran~vest~m Property Company (1) O'Bri~n & Associates (!) Technistructurcs, Inc. (l) Butler Construction (I) City of Coppcll (!) City of Coppcll 11 This ~port is exclusively for the usc of thc client indicated above and shall not bc rcproduccd except in full wititout thc written approval of HBC Engineering, Inc. Page 2 of 2 :STATISTICAL ANAL e" IS OF CONCRETE Date of Service: Client No.: 07/03/2000 85229000 Report No.: 0014375S Project No.: 94991457 a d~vis~on of 8901 Carpenter Frwy. Suite #10O I I Repo~ Date o7m3/2ooo Client: Transwestern Property Company Attn: James Gaspard 12221 Merit Drive, #450 · Dallas TX 75251 Project: Coppell Commerce Center 1234 Lakeshore (Bldg. B) Coppell, Texas Services: Review concrete compressive strengths for compliance with project specifications and ACI 318 Building Code. PROJECT DATA SPECIFICATION REQUIREMENTS: 4000 psi ~ 28 Days CONCRETE CLASS: 9349 REPORT OF TESTS NUMBER AIR CONCRETE COMPRESSIVE RUNNING REPORT OF SLUMP CONTENT TEMP STRENGTH 3 TEST AVG DATE NUMBER SET SAMPLES (in.) (%) (F) PSI PSI 03/09/2000 0006575 1 2 6.00 N/A 70 5345 03/09/2000 0006575 2 2 6.00 N/A 70 4965 03/09/2000 0006575 3 2 6.50 N/A 74 5010 5107 03/09/2000 0006575 4 2 5.50 N/A 73 4605 4860 03/09/2000 0006575 5 2 7.00 N/A 78 5165 4927 03/09/2000 0006575 6 2 6.00 N/A 78 5075 4948 03/09/2000 0006585 1 2 5.00 N/A 76 6060 5433 03/15/2000 0007132 1 2 4.50 N/A 69 5295 5477 03/15/2000 0007132 2 2 5.00 N/A 69 5280 5545 03/15/2000 0007132 3 2 6.50 N/A 70 4955 5177 03/15/2000 0007132 4 2 6.00 N/A 69 4780 5005 03/15/2000 0007132 5 2 5.50 N/A 71 5075 4937 03/15/2000 0007132 6 2 5.00 N/A 71 4620 4825 03/15/2000 0007132 7 2 4.75 N/A 70 5100 4932 03/21/2000 0007655 1 2 7.00 N/A 72 5315 5012 This report is exclusively for the use of tbe client indicated above and shall not be reproduced except in full wilhout the written approval of HDC Engineering Inc. 11 Page I of 2 . RepOrt No.: 0014375S DATE 03/21/2000 03/21/2000 03/21/2000 03/21/2000 03/21/2000 03/21/2000 03/21/2000 04/06/2000 04/06/2000 04/06/2000 04/13/2000 04/13/2000 04/13/2000 04/19/2000 04/19/2000 04/19/2000 04/19/2000 04/19/2000 04/21/2000 04/21/2000 O4/2 1/2000 04/2 1/2000 04/21/2000 06/01/2000 06/01/2000 REPORT NUMBER SET 0007655 2 0007655 3 0007655 4 0007655 5 0007655 6 0007655 7 0007655 8 0009244 1 0009244 2 0009244 3 0009874 1 0009874 2 0009874 3 0010431 1 0010431 2 0010431 3 0010431 4 0010431 5 0010680 1 0010680 2 0010680 3 0010680 4 0010680 5 0014375 1 0014375 2 Average of all sets of NUMBER OF SAMPLES AIR CONCRET~ COMPRESSIVE SLUMP CONTENT TEMP STRENGTH (in.) (%) (F) PSI RUNNING 3 TEST AVG PSI 2 7.00 N/A 71 5135 5183 2 7.00 N/A 75 5400 5283 2 6.50 N/A 74 5550 5362 2 7.50 N/A 76 4970 5307 2 7.00 N/A 75 5200 5240 2 6.50 N/A 76 5400 5190 2 6.00 N/A 77 5400 5333 2 5.50 4.0 71 4895 5232 2 6.00 4.5 69 4585 4960 2 5.75 5.0 70 5105 4862 2 4.50' 4.1 66 5320 5003 2 6.00 4.9 64 4405 4943 2 4.50 4.l 71 5085 4937 2 4.75 N/A 82 4980 4823 2 4.50 N/A 82 5335 5133 2 6.25 N/A 79 5350 5222 2 5.50 N/A 82 5420 5368 2 5.25 N/A 81 4955 5242 2 6.50 N/A 78 4145 4840 2 6.00 N/A 79 4755 4618 2 6.00 N/A 71 4545 4482 2 5.50 N/A 70 5380 4893 2 6.00 N/A 78 4925 4950 2 7.00 N/A 78 3620 4642 2 6.75 N/A 85 4085 4210 three consecutive strenghts equals or exceeds the project specifications. Average of 40 sets = 5010 PSI ~ 28 days Standard Deviation = 444 PSI Standard Deviation is not corrected because there are 30 or more samples. 4000 + 1.34 * 444 = 4595 PSI 4000 + 2.33 * 444 = 4535 PSI Required Average Strength per ACI 318 (89) 5.3.2.1 = 4595 PSI Technician: Eugene Harbour Report Distribution: (1) Transwest~m Property Company (1) O'Bfiea & Associates (1) Teclmislructures, [nc. (1) Butler Construction ACI Criteria is satisfied. (1) City of Coppeil (1) City of Coppell 11 This report is exclusively for the use of thc client indicated above and shall not be reproduced except in full without the written approval of I-~C Eagine~ring, Inc. Page 2 of 2 STATISTICAL ANAL S OF CONCRETE Date of Service: 07/03/2000 Report No.: 0014375S Client No.: 85229000 Project No.: 94991457 8901 Carpenter Frwy. Suife #10~ Dallas, Texas ?~247 I I ~llll, I[ I IIllllI Iii ] II III Report Date 07/03/2000 Client: Transwestern Property Company Project: Attn: James Gaspard 12221 Merit Drive, #450 Dallas TX 75251 Coppell Commerce Center 1234 Lakeshore (Bldg. B) Coppell, Texas Services: Review concrete compressive strengths for compliance with project specifications and ACI 318 Building Code. SPECIFICATION REQUIREMENTS: CONCRETE CLASS: 9349 PROJECT DATA 4000 psi ~ 28 Days REPORT OF TESTS NUMBER AIR CONCRETE COMPRESSIVE RUNNING REPORT OF SLUMP CONTENT TEMP STRENGTH 3 TEST AVG DATE NUMBER SET SAMPLES (in.) (%) (F) PS! PSI 03/09/2000 0006575 1 2 03/09/2000 0006575 2 2 03/09/2000 0006575 3 2 03/09/2000 0006575 4 2 03/09/2000 0006575 5 2 03/09/2000 0006575 6 2 03/09/2000 0006585 I 2 03/15/2000 0007132 1 2 03/15/2000 0007132 2 2 03/15/2000 0007132 3 2 03/15/2000 0007132 4 -2 03/15/2000 0007132 5 2 03/15/2000 0007132 6 2 03/15/2000 0007132 7 2 03/21/2000 0007655 1 2 6.00 N/A 70 5345 ~ 6.00 N/A 70 4965 6.50 N/A 74 5010 5107 5.50 N/A 73 4605 4860 7.00 N/A 78 5165 4927 6.00 N/A 78 5075 4948 5.00 N/A 76 6060 5433 4.50 N/A 69 5295 5477 5.00 N/A 69 5280 5545 6.50 N/A 70 4955 5177 6.00 N/A 69 4780 5005 5.50 N/A 71 5075 4937 5.00 N/A 71 4620 4825 4.75 N/A 70 5100 4932 7.00 N/A 72 5315 5012 This rcport is cxclusivcly for thc usc of thc client indicated above and shall not bc rcproduoexl except in full willmut the writton approval of Hl3C En~ng. lno. II Page 1 of 2 © O Report No.: 0014375S ,,,~ Am coNc x r ' COMP SSr E REPORT OF SLUMP CONTENT TEMP STRENGTH 3 TF_~-~ AVG DATE NUMBER SET SAMPLES (in.) (%) (F) PSI PSI 03/21/2000 0007655 2 2 7.00 N/A 71 5135 5183 03/21/2000 0007655 3 2 7.00 N/A 75 5400 5283 03/21/2000 0007655 4 2 6.50 N/A 74 5550 5362' 03/21/2000 0007655 5 2 7.50 N/A 76 4970 5307 03/21/2000 0007655 6 2 7.00 N/A 75 5200 5240 03/21/2000 0007655 7 2 6.50 N/A 76 5400 5190 ' 03/21/2000 0007655 8 2 6.00 N/A 77 5400 5333 04/06/2000 0009244 1 2 5.50 4.0 71 4895 5232 04/06/2000 0009244 2 2 6.00 4.5 69 4585 4960 04/06/2000 0009244 3 2 5.75 5.0 70" 5105 4862 04/13/2000 0009874 1 2 4.50 4.1 66 5320 5003 04/13/2000 0009874 2 2 6.00 4.9 64 4405 4943 04/13/2000 0009874 3 2 4.50 4.1 71 5085 4937 04/19/2000 0010431 1 2 4.75 N/A 82 4980 4823 04/19/2000 0010431 2 2 4.50 N/A 82 5335 5133 04/19/2000 0010431 3 2 6.25 N/A 79 5350 5222 04/19/2000 0010431 4 2 5.50 N/A 82 5420 5368 04/19/2000 0010431 5 2 5.25 N/A 81 4955 5242 04/21/2000 0010680 1 2 6.50 N/A 78 4145 4840 04/21/2000 0010680 2 2 6:00 N/A 79 4755 4618 04/21/2000 0010680 3 2 6.00 N/A 71 4545 4482 04/21/2000 04/21/2000 06/01/2000 06/01/2000 0010680 4 2 5.50 N/A 70 5380 4893 0010680 5 2 6.00 N/A 78 ~4,,925 ~-'~4950'" ' ~ 0014375 I 2 7.00 N/A' 78 ~620 ~_..~. 4642 0014375 2 2 6.75 N/A 85 4085 14210 Average of all sets of three consecutive strenghts equals or exceeds the project specifications. Average of 40 sets = 5010 PSI ~ 28 days Standard Deviation = 444 PSI Standard Deviation is not corrected because there are 30 or more samples. 4000 + 1.34 * 444 = 4595 PSI 4000 + 2.33 * 444 = 4535 PSI Required Average Strength per AC1318 (89) 53.2.1 = 4595 PSI ACI Criteria is satisfied. Technician: Eugene Harbour l~port Distribution: (!) Transwestem Property Company (!) O'Brien & Associates (1) Tcehni~tmctures, Inc. (l) Butler Construction (1) City of Coppell (1) City of Coppell Eugene Harbour Vice President This report is exclusively for the use of the client indicated above and shall not be reproduced except in full without the written Nqxoval of}IBC !! Page 2 of 2